Stellar Soroban JSON-RPC methods

All methods use by-name parameters through POST /rpc/stellar. Tier budgets are defaults inherited from the tier matrix and remain unmeasured.

Heavy reads

Method	Summary	Tier / rate limit
`getEvents`	Return filtered contract and system events from retained ledgers.	`stellar_read_rpc_heavy` — 15 / 20 / 100 / 250 RPS (default, unmeasured)
`getTransactions`	Return cursor-paginated transaction details from retained ledgers.	`stellar_read_rpc_heavy` — 15 / 20 / 100 / 250 RPS (default, unmeasured)

Standard reads

Method	Summary	Tier / rate limit
`getFeeStats`	Return classic and Soroban inclusion-fee statistics.	`stellar_read_rpc` — 15 / 20 / 100 / 250 RPS (default, unmeasured)
`getHealth`	Return node health and retention boundaries.	`stellar_read_rpc` — 15 / 20 / 100 / 250 RPS (default, unmeasured)
`getLatestLedger`	Return the latest ledger known to the selected node.	`stellar_read_rpc` — 15 / 20 / 100 / 250 RPS (default, unmeasured)
`getLedgerEntries`	Read current state for XDR ledger keys.	`stellar_read_rpc` — 15 / 20 / 100 / 250 RPS (default, unmeasured)
`getLedgers`	Return cursor-paginated retained ledger details.	`stellar_read_rpc` — 15 / 20 / 100 / 250 RPS (default, unmeasured)
`getNetwork`	Return the network passphrase and protocol version.	`stellar_read_rpc` — 15 / 20 / 100 / 250 RPS (default, unmeasured)
`getVersionInfo`	Return RPC and Captive Core build metadata.	`stellar_read_rpc` — 15 / 20 / 100 / 250 RPS (default, unmeasured)
`simulateTransaction`	Simulate a transaction without submitting it.	`stellar_read_rpc` — 15 / 20 / 100 / 250 RPS (default, unmeasured)

The measured Soroban retention window is 120,960 ledgers. getLedgers and getTransactions accept at most 200 records per page; the measured getEvents exception accepts up to 10,000. Positional-array params are rejected with -32602. This catalog has no write or transaction-submission method.